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• Recommendations for keeping a build server updated

  - by gareth_bowles

  As a guy who frequently switches between QA, build and operations, I keep running into the issue of what to do about operating system updates on the build server. The dichotomy is the same on Windows, Linux, MacOS or any other o/s that can update itself via the internet: The QA team wants to keep the build server exactly as it is from the beginning of the product release cycle to the end, since installing updates could destabilize the server and means that successive builds aren't made against the same baseline. The ops team wants the software to be deployed on a system with all the latest security patches; this can mean that the software isn't deployed on exactly the same version of the o/s that it was built on. I usually mitigate this by taking release candidate builds and installing them on a test server that has a completely up-to-date o/s, repeating the automated tests that are run on the build server and doing some additional system level testing to make sure everything looks good before deployment. However, this seems inefficient to me; does anyone have a better way ?

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• How to install Python ssl module on Windows?

  - by Jader Dias

  The Google App Engine Launcher tells me: WARNING appengine_rpc.py:399 ssl module not found. Without the ssl module, the identity of the remote host cannot be verified, and connections may NOT be secure. To fix this, please install the ssl module from http://pypi.python.org/pypi/ssl . I downloaded the package and it contained a setup.py file. I ran: python setup.py install and then: Python was built with Visual Studio 2003; blablabla use MinGW32 Then I installed MinGW32 and now the compilation doesn't work. The end of the compilation errors contains: ssl/_ssl2.c:1561: error: `CRYPTO_LOCK' undeclared (first use in this function) error: command 'gcc' failed with exit status 1 What should I do?

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• Returning a byte array from activex to javascript

  - by vondip

  Hello all, I've built a small activex control using c#. I've got a function that returns an array of bytes. From some reason when I try to consue the returned array in js I receive an undefined value. Why is this happenning? Is there anyway to solve it? Here's a simple demonstration of my code: Activex: [ComVisible(true)] public byte[] Close() { try { MessageBox.Show("called from activex Close"); return Stop(); } catch (Exception e) { //ExceptionHandling.AppException(e); throw e; } } Javascript Call: function CloseActiveX(){ var myRslt = document.OurActiveX.Close(); }

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• ExtJS: Login with 'Remember me' functionality

  - by Chau

  I'm trying to create a simple login window with the very common 'Remember me' functionality. The login validation is done AJAX style, thus the browser won't remember my input. My approach is to use the built-in state functionality, but how to use it confuses me. Ext.state.Manager.setProvider(new Ext.state.CookieProvider({ expires: new Date(new Date().getTime()+(1000*60*60*24*7)), //7 days from now })); ... { xtype: 'textfield', fieldLabel: 'User name', id: 'txt-username', stateful: true, stateId: 'username' }, { xtype: 'textfield', fieldLabel: 'Password', id: 'txt-password', inputType: 'password', stateful: true, stateId: 'password' }, { xtype: 'button', text: 'Validate', stateEvents: 'click' } I know I have to implement the getState method, but on what component (my guess is on the two textfields)? Another thing I fail to realize is, how is my click event on the button connected to the state properties of my textfields?

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• DRM for videos bundled with a desktop app?

  - by onekidney

  Hey everybody, So, I have this desktop app built using WPF and C#. It's basically an offline course system that has videos, quizzes, and other assorted content. My dilemma is that I don't know how to protect the videos once they are downloaded and installed on the users machine? Are there any DRM systems out there that I can look into? I thought about storing them in a local encrypted database but I don't even know where to start with that (or if there is something else out there that I'm totally missing...) Don't even know where to start looking on this one - any ideas?

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• Will Visual Studio 2010 only run 4.0 unit tests?

  - by Bjorn Bailleul

  I have different projects written in .NET 3.5 and some unit test projects to cover them. When converting my solution to be used in Visual Studio 2010 I keep all my projects in 3.5 but the unit tests are forced to 4.0? This way I cannot use them with my regular projects anymore. Resulting in this: Could not load file or assembly 'xxx.xxx.Core.UnitTest' or one of its dependencies. This assembly is built by a runtime newer than the currently loaded runtime and cannot be loaded. So I can't unit test any project less then 4.0? Or am I doing something wrong here?

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• Where is sdl-config installed on MacOS 10.6 (Snow Leopard)

  - by jmglov

  After installing SDL and SDL-devel in MacOS X 10.6 (Snow Leopard), trying to configure some source code that requires SDL yields: checking for sdl-config... no checking for SDL - version >= 1.2.0... no *** The sdl-config script installed by SDL could not be found *** If SDL was installed in PREFIX, make sure PREFIX/bin is in *** your path, or set the SDL_CONFIG environment variable to the *** full path to sdl-config. configure: error: *** SDL version 1.2.0 not found! Does anyone know where to find sdl-config? I guess I can build SDL from source, but why should I have to, when there exist pre-built packages?

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• dynamic linking:change of the linking path.

  - by benjamin button

  Normally it happens that when ever the path of the library that has to be linked dynamically is defined in LD_LIBRARY_PATH or it it will be mentioned with -L flag while creating the binary. In actual scenario if ,lets say the binary has been built and deployed at the client place. Now if there is a change in the path of one of the dynamic link library path. then we need to supply a new make file to all the clients where the binary was deployed. is there any other method where we need not tell all the clients to change their makefiles and can something can be done in the code itself? if yes...could anybody please suggest how? This was ironically an interview question that was asked to me and i didnot have the answer for it.

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• Entity Framework: EntityCommand automatically parsing and determine parameter types?

  - by Torben Rahbek Koch

  Hi everybody, Pretty new to Entity Framework I must admit, but I simply cannot believe that there is no built-in solution for this problem. Let's say I create an EntityCommand: EntityCommand cmd = conn.CreateCommand(); cmd.CommandType = CommandType.Text; cmd.CommandText = commandText; And let's say the the commandText is something like this: SELECT sp.UserName, sp.Rights FROM EntityContext.Users as sp WHERE sp.UserName=@UserName Now it would be really neat if the Parameters collection of cmd could be automatically filled. The framework should obviously know the types etc. but I guess that's simply not how it works beneath. The problem is that the commandText is configurable on run-time, and I must show some GUI that asks for values of the parameters. Any idea on how this could be accomplished? Thanks for any ideas and for listening!

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• Programatically find TFS changes since last good build

  - by abigblackman

  I have several branches in TFS (dev, test, stage) and when I merge changes into the test branch I want the automated build and deploy script to find all the updated SQL files and deploy them to the test database. I thought I could do this by finding all the changesets associated with the build since the last good build, finding all the sql files in the changesets and deploying them. However I don't seem to be having the changeset associated with the build for some reason so my question is twofold: 1) How do I ensure that a changeset is associated with a particular build? 2) How can I get a list of files that have changed in the branch since the last good build? I have the last successfully built build but I'm unsure how to get the files without checking the changesets (which as mentioned above are not associated with the build!)

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• Objective C++ support in autotools

  - by vian

  I'm working under Mac OS X 10.6.5 autoconf version 2.68 automake version 1.11.1 In a large project that is built using autoconf, automake, I need to add .mm files to the library sources. When I add them to the library_SOURCES variable they won't compile even after I use AS_IF([test "$with_target" = "quartz"], [AC_PROG_OBJCXX]) in my configure.ac. The test is passed successfully and it event outputs checking whether we are using the GNU Objective C++ compiler... yes and .mm files don't compile. Where can I look to solve this problem?

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• Convert Microsoft Visio Drawing (vsd) to PDF automatically

  - by nhinkle

  An open-source project I am working on uses Visio drawings for documentation, which are checked into source control. For those working on the project who don't own Visio, we have been converting the vsd files to PDFs so that they can still view them. It's not too difficult to save a copy as a PDF when making changes to the documentation, but we would like an automated way to do this conversion, so that we can set it up as a pre-checkin script in the SVN client. If anybody knows of a way to do this, either using something built-in to Visio, or with an outside script or command line tool, we would appreciate it. Edit: Thanks to the suggestion below, I have found the Visio Viewer 2010. This will be helpful for our contributors using Windows. We would still like to have the ability to create PDFs though, as there are readers available on every major operating system, and our contributors will not be using only Windows.

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• Does the combo of PHP5, MySQL, and a Macbook Pro constitute a LAMP stack? If not, what does?

  - by RedEye

  Hello - I mostly code in Visual Studio, I like it, but lately it's making me feel a little claustrophobic. On my MacBook Pro, I've set up PHP5 and MySQL (natively). With the built-in server on the mac, does this constitute a LAMP stack? Is Mac OSX considered a Linux Environment? I have VMWare Fusion 3, should I set up a Linux OS virtually in order to implement a LAMP stack? Should I just use CakePHP or Zend? Any guidance would be greatly appreciated.

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• Reusable calendar popup like iCalendar/scheduler on iPad? Not a date picker wheel.

  - by MikeN

  I need a date picker that shows an actual calendar (similar to the built-in calendar feature on the iPad.) Is there a reusuable widget? How could I easily implement one? The date picker wheel is terrible because it doesn't show you the day of the week (Sun, Mon, Tue...) and isn't really needed on the iPad where you have enough room to show a calendar which is a very user friendly way of letting someone pick a date (it is mentally easy to find the third Tuesday from today.)

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• HTTP Error 500.19 - Internal Server Error for silverlight application

  - by KentZhou

  Use VS2010 silverlight business application template to createa defaut solution. Change authentication to Windows in Web.config and the code in app.xaml.cs to use windows authentication. Nothing else changed. Then run this app from vs2010 built-in web server, it is fine, I can see the login user info from windws(from a AD domain account) display on the top-right of the screen, like DomainName\userName. Then deploy this web app to IIS on windows 7(same computer) and access this app again, I got following error: HTTP Error 500.19 - Internal Server Error The requested page cannot be accessed because the related configuration data for the page is invalid. Detailed Error InformationModule IIS Web Core Notification Unknown Handler Not yet determined Error Code 0x80070005 Config Error Cannot read configuration file due to insufficient permissions Config File \\?\C:\Users\myname\Documents\Visual Studio 2010\Projects\BusinessApplication4\BusinessApplication4.Web\web.config Requested URL http://localhost:77/BusinessApplication4TestPage.html Physical Path Logon Method Not yet determined Logon User Not yet determined Config Source -1: 0: how to resolve this problem?

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• Appengine Apps Vs Google bot web crawler

  - by sandeep koduri

  i built an appengine web app cricket.hover.in. The web app consists of about 15k url's linked in it, But even after a long time of my launch, no pages are indexed on google. Any base link place on my root site hover.in are being indexed with in minutes. but i placed the same link home page of root site a long back. but its of no use. can any one analyse , if there is any issue with cricket.hover.in or if bots have any issues with Google app engine actually tested the url using labs app of webmaster tools of google there the return is fine and html is clear. but when tested the same (cricket.hover.in) at the following urls its showing different results of failure www.dnsqueries.com/en/googlebot_simulator.php www.smart-it-consulting.com/internet/google/googlebot-spoofer/ but if i test some of my php or word press links at the above url's the results are good and fine. please help me with this.

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• Silverlight Project - Setting Reference to Copy Local false not working.

  - by cmaduro

  Why is it that when my Silverlight project is built, the output directory contains a bunch of culture specific directories: ar\System.Windows.Controls.resources.dll bg\System.Windows.Controls.resources.dll ca\System.Windows.Controls.resources.dll etc etc etc Also the root of the build output contains: System.Xml.Linq.dll System.windows.Controls.dll I have gone through the projects in my solution and made sure that "Copy Local" is set to false for all the referances of the mentioned dll files. Those 2 files were set to true, but I did switch them to false. Despite my effort to google an answer, I remain stuck.

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• Resizing JPEG image during decoding

  - by Thomas

  I'm working on a program that creates thumbnails of JPEG images on the fly. Now I was thinking: since a JPEG image is built from 8x8-pixel blocks (Wikipedia has a great explanation), would it be possible to skip part of the decoding? Let's say that my thumbnails are at least 8 times smaller than the original image. We could then map each 8x8 block in the input file to 1 pixel in the decoding output, by including only the constant term of the discrete cosine transform. Most of the image data can be discarded right away, and need not be processed. Moreover, the memory usage is reduced by a factor of 64. I don't want to implement this from scratch; that'll easily take a week. Is there any code out there that can do this? If not, is this because this approach isn't worthwhile, or simply because nobody has thought of it yet?

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• Enumerating .NET assembly resources at runtime

  - by Alex_P

  I have a resource assembly with image files in it that are built using Resource or Content build action. This makes these files accessible using the Uris. However I cannot find the way to enumerate such resources. If I set the build action to Embedded Resource it becomes possible to enumerate the files with the following code: string[] resources = Assembly.GetExecutingAssembly().GetManifestResourceNames(); but it in turn makes these files inaccessible using Uris. The question is - how to enumerate resources that are compiled with either Resource or Content build action? NOTE: As Thomas Levesque pointed out it is possible to enumerate such resources by leveraging the AssemblyAssociatedContentFileAttribute, but it seems to only work for WPF Application assemblies and not for class library ones. So the question is still open.

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• iPhone - strange error when testing on simulator

  - by lostInTransit

  Hi I was testing my app on the simulator when it crashed on clicking a button of a UIAlertView. I stopped debugging there, made some changes to the code and built the app again. Now when I run the application, I get this error in the console Couldn't register com.myApp.debug with the bootstrap server. Error: unknown error code. This generally means that another instance of this process was already running or is hung in the debugger.Program received signal: “SIGABRT”. I tried removing the app from the simulator, doing a clean build but I still get this error when I try to run the app. Can someone please let me know what I should do to be able to run the app on my simulator again. Thanks.

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• NedMalloc / DlMalloc experiences

  - by Suma

  I am currently evaluating a few of scalable memory allocators, namely nedmalloc and ptmalloc (both built on top of dlmalloc), as a replacement for default malloc / new because of significant contention seen in multithreaded environment. Their published performance seems to be good, however I would like to check what are experiences of other people who have really used them. Were your performance goals satisfied? Did you experience any unexpected or hard to solve issues (like heap corruption)? If you have tried both ptmaalloc and nedmalloc, which of the two would you recommend? Why (ease of use, performance)?

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• Returning form errors for AJAX request in Django

  - by mridang

  Hi Guys, I've been finding my way around Django and jQuery. I've built a basic form in Django. On clicking submit, I'm using jQuey to make an AJAX request to the sever to post my data. This bit seems to work fine and I've managed to save the data. Django returns a ValidatioError when a form is invalid. Could anyone tell me how to return this set of error messages as a response to my AJAX request so i can easily iterate through it using JS and do whatever? I found this snippet. Looking at the JS bit (processJson) you'll see that he seems to get the error messages by extracting them from the response HTML. It seems kinda kludgy to me. Is this a best way to go about it? My apologies for any vagueness. Thanks in advance.

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• MVC with cocoa/objective-c

  - by Leonardo

  Hi all, I have a strong j2ee background, and I am trying to move to objective-c for some desktop/iphone programming. I used many java web frameworks with mvc in mind, spring and struts ecc... so I am used to have servlet or controller which pass attributes to jsp pages, which is the view. In jsp pages with jstl you can call this attribute and render to video. In this way controller and view are (in theory) clearly separated. With xcode, I can easily recognize the controller and the view built with IBuilder. All the tutorial I found, shown the controller which go and change directly labels or text fields. So my two questions: seems to me that there's no separation between the two (controller and view), where I am wrong in that ? is there a way for a controller to pack all objects in a kind of context in a j2ee way and have the view read that context ? thanks Leonardo

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• SSAS/SSRS remove parameter from cube report destroys report

  - by Jon

  Group, We built a data cube using SSAS and are now building SSRS reports off of that cube. Not sure if anyone has come across this, but when you build the report using the wizard and include parameters all looks fine. However if you are in the report after the wizard is compete, and you decide you want to remove one of the parameters you created it debunks the report and the only way to get it back is to re-create the whole report. Any way you can remove or add parameters after the initial build without destroying your report? Thanks in advance for the help! I love this forumn!

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• Using a C#.net DLL in Node.js / serverside javascript

  - by Dve

  I have spent a while playing with node.js and exploring related frameworks such as express and geddy... and I am very impressed, especially with the WebSockets implementation in socket.io. I have a pet project that is an online game, the entire game engine is written in C# and I would like to know if there is anyway I can call the functions of this existing dll from a solution built using node.js, socket.io, express etc? The game engine itself is pretty complete; tested and robust. I am hoping there is some neat way of exposing its functionality without to much overhead. Thanks

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